February in Santa Clara is the rainiest and the cloudiest month of the year. In February, the weather in Santa Clara is typically warm. Average daily high temperature in February is about 13 degrees above zero. On average, Santa Clara has 10 partly cloudy, 9 sunny, 8 rainy, and 2 cloudy days in February. The rains are usually heavy. February as well as January and December is considered the most uncomfortable time to visit Santa Clara.